Cole-Parmer Masterflex L/S Precision Process Drive with Open-Head Sensor, Stainless Steel Housing

Masterflex L/S Precision Process Drive with Open-Head Sensor, Stainless Steel Housing, 6 to 600 rpm, 90 to 260 VACMasterflex L/S® Precision Process Drive with Open-Head Sensor, Stainless Steel Housing, 6 to 600 rpm; 90 to 260 VAC

Easy-to-use drives offer precise speed control and digital display of rpm—NEMA 4X housings stand up to process and washdown applications

• Flow rate 0.06 to 3400 mL/min (depends on drive rpm and tubing size)
• Four digit LED display shows motor rpm—confirm speed setting at a glance
• Integrated open-head sensor stops drive motor when pump head is opened
• Reversible motor—purge tubing before or after pumping; pump fluid in either direction
• LED indicators confirm motor direction

Specifications & Description

• Cloud ConnectedNo
• Pump SeriesL/S
• Control TypeDigital Variable Speed
• Min RPM (rpm)6
• Max RPM (rpm)600
• SpeedVariable
• Speed Control±0.25% (1 rpm at 600; 0.1 rpm at 100 rpm)
• Max Flow Rate (mL/min)3400
• Min Flow Rate (mL/min)0.36
• Reversible MotorYes
• Digital DispensingNo
• No. of Pump Heads Accepted2
• Type of Pump Heads AcceptedStandard, Easy-Load, Easy-Load OHS, Easy-Load II, Easy-Load II OHS, High Performance, High Performance OHS, PTFE Tubing, PTFE Diaphragm, Cytoflow
• Motor (watts)75
• Drive IP ratingIP 66
• Washdown CapableYes
• Power (VAC)90 to 260
• Power (amps)2.2
• Power (Hz)50/60
• Drive Length (in)12
• Drive Width (in)9
• Drive Height (in)9.25
• Drive Length (mm)305
• Drive Width (mm)229
• Drive Height (mm)235
• Open-Head SensorYes
• Housing MaterialStainless Steel
• Motor hp1/10
• Remote I/O4 to 20 mA, 0 to 10 V, start/stop and direction via contact closure
• DescriptionPrecision Process Drive, Stainless Steel, with Open-Head Sensor; 600 rpm

![Two year warranty](https://pim-resources.coleparmer.com/icon/2yrwarranty.gif Two year warranty)

Includes

6-ft (1.8-m) line cord with IEC 320/CEE22 socket. These models are shipped with country-specific plug/cord set; please specify ultimate destination when ordering.

Key Features

• Flow rate 0.06 to 3400 mL/min (depends on drive rpm and tubing size)
• Four digit LED display shows motor rpm—confirm speed setting at a glance
• Integrated open-head sensor stops drive motor when pump head is opened
• Reversible motor—purge tubing before or after pumping; pump fluid in either direction
• LED indicators confirm motor direction
• Powerful motors let you stack 2 or 4 pump heads for increased flow rates and for multichannel applications
• Separate speed and power (on/off) control—maintain speed setting while turning pump on/off
• NEMA 4X (IP66) rated housing
• Remote control capabilities via a watertight connector on back of drive
• Accepts up to 2 pump heads
• Constructed with 316 stainless steel housing

More About this Item

These accurate console drives have powerful motors, speed display, and ±0.25% speed control for precise flow regulation—ideal for metering applications. Remote speed control requires cable assembly 77300-32.

Operation of the integrated open-head sensor requires use of sensor-equipped L/S Easy-Load II pump heads 77200-30 or 77200-32.

RESOURCES

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• Masterflex L/S Precision Variable Speed Drives Operating Manual - English
• Masterflex L/S Precision Variable Speed Drives Operating Manual - Chinese
• Masterflex L/S Precision Variable Speed Drives Operating Manual - Frence
• Masterflex L/S Precision Variable Speed Drives Operating Manual - German
• Masterflex L/S Precision Variable Speed Drives Operating Manual - Italian
• Masterflex L/S Precision Variable Speed Drives Operating Manual - Japanese
• Masterflex L/S Precision Variable Speed Drives Operating Manual - Spanish